Python 数字Number radians() 方法

#!/usr/bin/python

import math

print "radians(3) : ",  math.radians(3)
print "radians(-3) : ",  math.radians(-3)
print "radians(0) : ",  math.radians(0)
print "radians(math.pi) : ",  math.radians(math.pi)
print "radians(math.pi/2) : ",  math.radians(math.pi/2)
print "radians(math.pi/4) : ",  math.radians(math.pi/4)